Update dependabot.yml

Realistically, we don't have the time/resources, right now to update every week... therefore generates too much noise

Author: davidcollom

.github/dependabot.yml

@@ -3,23 +3,23 @@ updates:
   - package-ecosystem: "github-actions"
     directory: "/"
     schedule:
-      interval: "weekly"
+      interval: "monthly"
     groups:
       "GitHub Actions":
         patterns:
           - "*"
   - package-ecosystem: "gomod"
     directory: "/"
     schedule:
-      interval: "weekly"
+      interval: "monthly"
     groups:
       "Go Dependencies":
         patterns:
           - "*"
   - package-ecosystem: "docker"
     directory: "/"
     schedule:
-      interval: "weekly"
+      interval: "monthly"
     groups:
       "Container Images":
         patterns: